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PROPERTY AND EQUIPMENT - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Property Plant And Equipment [Abstract]        
Assets held for sale $ 0.3   $ 0.3  
Depreciation expense $ 1.7 $ 2.0 $ 5.3 $ 6.0